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rspade_system/node_modules/collect.js/docs/api/whenEmpty.md
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Co-Authored-By: Claude <noreply@anthropic.com>
2025-10-21 02:08:33 +00:00

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whenEmpty()

The whenEmpty method will execute the given callback when the collection is empty:

const collection = collect([]);

collection.whenEmpty(c => c.push('Mohamed Salah'));

collection.all();

// ['Mohamed Salah']
const collection = collect(['Darwin Núñez']);

collection.whenEmpty(
  c => c.push('Mohamed Salah'),
  c => c.push('Xherdan Shaqiri'),
);

collection.all();

// [
//   'Darwin Núñez',
//   'Xherdan Shaqiri',
// ];

View source on GitHub